A browser hijacker is a small program or registry setting that is
responsible for changed IE start and search pages. If your browser starts with
a different start page (one you haven't changed yourself), you most probably
got hijacked. Intelligent hijackers do not only change these pages, but also
add a small file that will restore the hijacked settings upon each system
start. Hijackers often use ActiveX installation
programs and/or security holes.
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